On Sat, Jan 29, 2022 at 10:28:32PM +0530, Pankaj Jangid wrote: > Sorry for the Wrong subject line earlier. > > Pankaj Jangid <pan...@codeisgreat.org> writes: > > > I have setup a new system. Apart from the display related issue, that I > > had posted in another thread, I am facing an issue related to my > > external ‘Yeti Blue’ sound card. I use it as Mic and Monitor audio. > > > > pankaj@anant:~$ lsb_release -a > > No LSB modules are available. > > Distributor ID: Debian > > Description: Debian GNU/Linux 11 (bullseye) > > Release: 11 > > Codename: bullseye > > pankaj@anant:~$ uname -a > > Linux anant 5.10.0-11-amd64 #1 SMP Debian 5.10.92-1 (2022-01-18) x86_64 > > GNU/Linux > > > > > > When I boot system afresh, the card is visible in the ‘alsamixer’ and in > > Gnome settings as well. Shown as “Blue” S/PDIF input and output > > devices. But when system wakes up from sleep (suspended), it doesn’t > > show the devices. > > > > However, ‘lsusb’ shows it and ‘/proc/asound/cards’ has an entry. But > > these devices (mic and speaker) are not taking any input or producing > > sound. Because they are not visible to Gnome and ‘alsamixer’. > > > > pankaj@anant:~$ lsusb > > Bus 006 Device 002: ID 2109:0813 VIA Labs, Inc. VL813 Hub > > Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > Bus 005 Device 002: ID 2109:2813 VIA Labs, Inc. VL813 Hub > > Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > Bus 003 Device 003: ID 05e3:0608 Genesys Logic, Inc. Hub > > Bus 003 Device 002: ID 0db0:a073 Micro Star International USB Audio > > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > Bus 001 Device 007: ID 1462:7d54 Micro Star International MYSTIC LIGHT > > Bus 001 Device 006: ID 05e3:0608 Genesys Logic, Inc. Hub > > Bus 001 Device 005: ID 1b1c:1b75 Corsair CORSAIR HARPOON RGB PRO Gaming > > Mouse > > Bus 001 Device 015: ID 8087:0032 Intel Corp. > > Bus 001 Device 003: ID 046d:0ab7 Logitech, Inc. Blue Microphones > > Bus 001 Device 002: ID 13ba:0018 PCPlay Barcode PCP-BCG4209 > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > pankaj@anant:~$ cat /proc/asound/cards > > 0 [HDMI_1 ]: HDA-Intel - HDA ATI HDMI > > HDA ATI HDMI at 0xfca60000 irq 102 > > 1 [HDMI ]: HDA-Intel - HDA ATI HDMI > > HDA ATI HDMI at 0xfce60000 irq 104 > > 2 [Generic ]: HDA-Intel - HD-Audio Generic > > HD-Audio Generic at 0xfcd00000 irq 106 > > 3 [Microphones ]: USB-Audio - Blue Microphones > > Generic Blue Microphones at usb-0000:2a:00.1-2, high > > speed > > 4 [Audio ]: USB-Audio - USB Audio > > Generic USB Audio at usb-0000:2a:00.3-5, high speed > > > > I have tried to restart just the sound subsystem using > > ‘/etc/init.d/asound restart’. But it did not lead to any good > > results. > > > > Can somebody tell me what could be wrong at my end? > > > > Regards ~Pankaj
Hi Pankaj, It might be nothing more than the power handling, sleep modes and USB enumeration after a laptop goes to sleep. If you unplug/replug the USB plug which is the external sound card, is it magically recognised again? All the very best, as ever, Andy Cater >
